Taihu may refer to the following in China:
Lake Tai (太湖), freshwater lake on the borders of Jiangsu and Zhejiang provinces
Named after the lake Taihu Bridge, a bridge in Suzhou, Jiangsu Taihu pig, a domestic breed of pig Taihu rocks Taihu Square Station, a metro station of Line 1, Wuxi Metro Taihu Wu dialects
Administrative divisions Taihu Subdistrict (太湖街道), Binhu District, Wuxi, Jiangsu Taihu County (太湖县), Anqing, Anhui Taihu, Beijing (台湖镇), a town in Tongzhou District, Beijing Taihu, Zhuzhou, a rural township in Zhuzhou County, Hunan Province